diff --git a/support/platform/src/dac/dac_core.c b/support/platform/src/dac/dac_core.c
index 98a309f1..8cfa6f15 100644
--- a/support/platform/src/dac/dac_core.c
+++ b/support/platform/src/dac/dac_core.c
@@ -410,7 +410,6 @@ static int32_t DacManagerDispatch(struct HdfDeviceIoClient *client, int cmd,
             return DacManagerIoWrite(data, reply);
         default:
             return HDF_ERR_NOT_SUPPORT;
-            break;
     }
     return HDF_SUCCESS;
 }